class Iterm1:
    def info(self):
        print("iterm1")


class Iterm2:
    def info(self):
        print("iterm2")


class SubItem(Iterm1, Iterm2):
    pass


subItem = SubItem()
subItem.info()  # item1
# (<class '__main__.SubItem'>, <class '__main__.Iterm1'>, <class '__main__.Iterm2'>, <class 'object'>)
print(SubItem.mro())
